Corn-harvester.



'No. 762,518. PATENTED JUNE 14,- 1904.

. 0. s. EL'LITHORP.

CORN HARVESTER.

APPLIUATION FILED FEB. 23, 1904.

H0 MODEL.

Tm: NORRI! PEYER cu. momma, WASHINGTON, o. c.-

UNITED STATES Patented June 14, 1904.

ORREN S. ELLITHORP, OF CHICAGO, ILLINOIS.

CORN-HARVESTER.

SPECIFICATION forming part of Letters Patent N 0. 762,518, dated June 14, 1904.

, Application filed February 23, 1904. Serial No. 194,771. (No model.)

To all whom it may concern:

Be it known that I, ORREN S. ELLI'LHORP, a citizen of the United States, residing at Chicago, in the county of (look and State of Illinois, have invented a new and useful Improvement in Corn-Harvesters, of which the following is a complete specification.

This invention while applicable to various machines and for various uses is shown aptating table yielding springs engage theshock,

and it is in the means for locking, releasing, and swinging these springs that this invention lies.

- Referring to the accompanying drawings, Figure 1 represents a plan view of the frame of a corn-harvester embodying this invention.

Fig. 2 is an enlarged detail of the bell-crank,

the locking-joint, and connecting-link. Fig. 3 is a detail perspective of the bell-crank; and Fig. 4 is a diagrammatic illustration of the principle upon which the bell-crank, the locking-lever, and other parts operate.

- In the drawings, 1 designates the main frame of the harvester; 2, the main supporting and driving wheel; 3, the grain-wheel; 4 4, the gatherers, and 5 the knives for severing the stalks. The dotted curved line 6 represents the periphery of the shock-forming table, 7

the pivotal center of same, and 8 is a vertically-arranged standard adjacent to the stubble side of said circular table and on which is.

secured a series of springs 9, one of which is shown in Fig. 1. The inner ends of these springs normally rest near the shock-forming standard, which is coincident with the pivotal center of the said table. 10 is a similarlyarranged standard adjacent to the circular table and on the grain side thereof. 11 is one of a series of inwardly-extending curved fingers in normal position lying adjacent to the shock-forming standard. A detail description of these parts above referred to may be had by reference to the above-mentioned patent. It is material in connection with this invention to know only that these standards 8 and 10 are located adjacent to a rotating platform on which the shock is formed and that they are provided with a series of fingers 9 and 11, respectively, which are adapted to engage the shock during its formation on the said table and after the formation thereof to be withdrawn to a position where they will not interfere with the removal of the shock. Proceeding now to describe the means by which this action is accomplished, 12 designates a hand-lever provided with a thumblatch and ratchet for imparting angular movement to the standard 8. This hand-lever is arranged at a height to be within convenient reach of the operator. To the lower end of said stand ard 8 is rigidly secured the rearwardly-extending lever-arm 13, and to the lower end of the standard 10 is rigidly secured the shouldered arm 14. The free ends of the leverarm 13 and shouldered arm 14 are connected by means of the bar 15 and the curved link 16, the said link and bar forming at their junction a lock or one-way joint. An inspection of Fig. 2 will reveal that this connecting means will permit of a lateral deflection of the joining ends of these two pieces in a rearward direction only or in a direction as indicated by the arrow in this figure and will prevent deflection in the opposite direction.

The locking feature is formed by the shoulder 17 on the casting 18, by which connection is effected between the said bar 15 and curved link16, the casting 18 being asone piece with the said bar. Laterally disposed on the stubbleward side of the arm 14 is a shoulder 19, adapted to engage the curved link 16 as the longitudinal movement of the bar 15 causes the said arm 14 to vibrate. The connectingcasting 18 is provided with a forwardly-proectmg curved beak 20, which impinges against the shoulder 21 of the arm 14, as shown in Fig. 3 and as indicated by the dotted lines in Fig. 2. In this way a second point of contact or engagement for the transmission of pressure between the said bar 15 and the shouldered arm 14 is obtained, the pressure being transmitted from the beak 20 to the shoulder 21, the curvature of both of these parts being such as to permit of the subsequent change of direction in the application of force, while the curvature of the beak prevents it from slipping stubbleward and disengaging from the said shoulder. The relative position of the several parts and changing points of contact are indicated in Fig. 2, the normal position being indicated in full lines and the position of the several parts when the beak 2O bears against the shoulder 21 in dotted lines. The final position after the shouldered arm 14 has been rotated substantially one hundred and eighty degrees is shown in dotted lines in Fig. 1.

In order that the one-way joint formed by the casting 18 and the curved link 16 may not be caused to be deflected rearwardly prematurely, the line of thrust 22 22 of the bar 15 is made to pass forward of the pivotal point 23 of the shouldered arm 14, as shown in Fig. 2.

The action of the several elements is indicated diagrammatically in Fig. 4, in which a and (0 represent, respectively, the initial position and relative length of the lever-arm 13 and the shouldered arm 14. 19 in this figure represents the shoulder 19 on the stubbleward side of the shouldered arm 14, which acts as a stop to break the one-way joint of the connection between the two arms. a a a represent the first position of the several parts, I) 7/ 71 the second position, and 0 0 0 the third position, of same. In these several positions a 7/ 0 indicate the position of the one-way joint, and it will be seen that in the second position the shoulder 19 is in a position where further movement will operate to cause the deflection of the joint (0, and c is the position the joint occupies after the movement of the several parts is complete. It will be seen from an inspection of this figure that the arm a has passed to the position 0 or through 'an angle of one hundred and eighty degrees, and the minimum effective lever-arm is more than one-half the length of the shouldered arm 14.

From the foregoingit will be seen that movement of the hand-lever 12 will operate to turn the standards from the position shown in full lines in Fig. 1 to that indicated by the dotted lines in the same figure, the fingers 9 on the standard 8 having angular movement of perhaps sixty degrees, or sufiicient to move them to a non-interfering position, while the fingers 11 on the standard 10 have moved practically one hundred and eighty degrees or to a position in which they will not interfere with the removal of the shock. It is further seen that although the shouldered arm 14 described an are of practically one-half a circle the line of thrust at no time approaches so near the pivotal center of the shouldered arm as to interfere with its successful operation i. 6., aposition of dead-center is at all times avoided.

hat I claim as my invention, and desire to secure by Letters Patent, is

1. In a corn-harvesting machine, in combination, two vertically arranged standards, shock-engaging spring-fingers secured thereto, a lever-arm rigidly secured to the lower end of the stubbleward standard, a shouldered arm rigidly secured to the lower end of the grain ward standard, a two-part member having a one-way joint for connecting the free end of said lever-arm, and means on said shouldered arm for breaking the joint substantially as and for the purpose specified.

2. In a corn-harvesting machine, in combination two vertically arranged standards, shock-engaging spring-fingers secured thereto, a lever-arm rigidly secured to the lower end of the stubbleward standard, a shouldered arm rigidly secured to the lower end of the grain ward standard, a two-part member having a one-way joint for connecting the free end of said lever-arm and shouldered arm, and adevice for locking the said one-way joint to the said shouldered arm when the joint impinges thereagainst, substantially as and for the purpose specified.

3. In a corn-harvester, in combination, a stubbleward standard provided with a series of curved spring-fingers, a grainward standard having similarly-arranged curved fingers, and means for simultaneously rocking the said standards, said means comprising a hand-1ever secured to the stubbleward standard, a lever-arm secured also to said standard and at the lower end thereof, a shouldered arm secured to the lower end of said grainward standard, and provided with laterally-disposed shoulders in effect integral therewith, a member provided with a one-way joint for connecting the said shouldered arm to the lever-arm, and means adjacent to the said one-way joint for securing the. said member to the laterallydisposed shoulders on the said shouldered arm when the latter is impinged by said member, substantially as and for the purpose specified.

4. In acorn-harvesting machine, in combination, two rotatable vertically-arranged finger carrying standards, shock engaging spring-fingers secured thereto, connecting means interposed between said standards said connecting means comprising a lever-arm, a

ger carrying standards, shock engaging spring fingers secured thereto, connecting means interposed between said standards, said connecting means comprising a lever-arm, a

shouldered arm, laterally-arranged shouldersengagement with the said shoulders on the I shouldered arm and prevent disengagement therefrom, substantially as and for the purpose specified.

ORREN S. ELLITHORP.

Witnesses:

MILTON E. HALToN, JAMEs L. MILLAR. 

